This hypothesis makes some interesting predictions, such as being more willing to display failures to close family than to extended family—if the problem is due to an infectious disease then alerting your close relatives will increase your inclusive fitness more because they can shield themselves from you, while the benefits to displaying it to extended family will be less likely to outweigh the downside of shunning.
This hypothesis makes some interesting predictions, such as being more willing to display failures to close family than to extended family—if the problem is due to an infectious disease then alerting your close relatives will increase your inclusive fitness more because they can shield themselves from you, while the benefits to displaying it to extended family will be less likely to outweigh the downside of shunning.